Progestin-only contraception compared with extended combined oral contraceptive in women with migraine without aura: a retrospective pilot study.

Morotti M, Remorgida V, Venturini PL, Ferrero S. Progestin-only contraception compared with extended combined oral contraceptive in women with migraine without aura: a retrospective pilot study. Eur J Obstet Gynecol Reprod Biol 2014;183:178-182. https://www.ejog.org/article/S0301-2115(14)00553-3/fulltext